977984930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{2389}}^1$

素因数の和:2523

約数の個数: 64

約数和(自身を含む): 1965841920

約数和(自身を除く): 987856990

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 67, 94, 130, 134, 235, 335, 470, 611, 670, 871, 1222, 1742, 2389, 3055, 3149, 4355, 4778, 6110, 6298, 8710, 11945, 15745, 23890, 31057, 31490, 40937, 62114, 81874, 112283, 155285, 160063, 204685, 224566, 310570, 320126, 409370, 561415, 800315, 1122830, 1459679, 1600630, 2080819, 2919358, 4161638, 7298395, 7522961, 10404095, 14596790, 15045922, 20808190, 37614805, 75229610, 97798493, 195596986, 488992465, 977984930]

約数ペア:

[(1, 977984930), (2, 488992465), (5, 195596986), (10, 97798493), (13, 75229610), (26, 37614805), (47, 20808190), (65, 15045922), (67, 14596790), (94, 10404095), (130, 7522961), (134, 7298395), (235, 4161638), (335, 2919358), (470, 2080819), (611, 1600630), (670, 1459679), (871, 1122830), (1222, 800315), (1742, 561415), (2389, 409370), (3055, 320126), (3149, 310570), (4355, 224566), (4778, 204685), (6110, 160063), (6298, 155285), (8710, 112283), (11945, 81874), (15745, 62114), (23890, 40937), (31057, 31490)]